FRKeysExamII-M115

# FRKeysExamII-M115 - answers! 17. a. x = -3, x =2 b. y =0 c....

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Math 115 Exam II Free Response Answer Keys Fall 2006 Blue 15a. x = -10 b. y =1 c. (20,0) d. (0, -2) e. (-10,20) 16. 9 ) ( 2 - = x x g , x x f = ) ( 17. The graph of the inverse contains the points (2,-4), (6,2) and (8,10). a. [-4,10] b .[2,8] c. [2,8] d. [-4,10] Spring 2007 Pink 16. There are many possible solutions. Your equation must have zeros of even multiplicity at x= -1 and x = 4. You must also have a negative leading coefficient. One possible solution would be 2 2 ) 4 ( ) 1 ( 3 ) ( - + - = x x x f but there are many correct
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Unformatted text preview: answers! 17. a. x = -3, x =2 b. y =0 c. (-2,0) d. (0, -1/3) Fall 2007 White 15a. 5 ) ( 1-=-x x f b. Domain of f : ) , 5 [ ∞-Domain of 1-f : ) , [ ∞ Range of f: ) , [ ∞ Range of 1-f : ) , 5 [ ∞-16. 8 ) 2 ( 5 1 2-+ = x y 17. a. The graph is the graph of x x f 3 ) ( = shifted left 3 and up 4. The point (0,1) shifts to (-3,5). b. D: ) , ( ∞-∞ R: ) , 4 ( ∞ HA : y = 4...
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## This note was uploaded on 04/12/2008 for the course MATH 115 taught by Professor Rossi during the Spring '08 term at University of Delaware.

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